./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 185af411ffb66b9762afca1cabf119211700e2cdb0b48054cece4906f7290e44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:41:14,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:41:14,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:41:14,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:41:14,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:41:14,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:41:14,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:41:14,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:41:14,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:41:14,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:41:14,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:41:14,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:41:14,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:41:14,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:41:14,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:41:14,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:41:14,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:41:14,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:41:14,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:41:14,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:41:14,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:41:14,390 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:41:14,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:41:14,391 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:41:14,391 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:41:14,391 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:41:14,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:41:14,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:14,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:41:14,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:41:14,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:41:14,391 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:41:14,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:41:14,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 185af411ffb66b9762afca1cabf119211700e2cdb0b48054cece4906f7290e44 [2024-12-05 21:41:14,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:41:14,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:41:14,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:41:14,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:41:14,661 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:41:14,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound2.c [2024-12-05 21:41:17,316 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/data/56e39c97a/4849af27ca9a4bfd807873f2b364c070/FLAG929d6e00f [2024-12-05 21:41:17,509 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:41:17,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound2.c [2024-12-05 21:41:17,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/data/56e39c97a/4849af27ca9a4bfd807873f2b364c070/FLAG929d6e00f [2024-12-05 21:41:17,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/data/56e39c97a/4849af27ca9a4bfd807873f2b364c070 [2024-12-05 21:41:17,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:41:17,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:41:17,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:17,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:41:17,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:41:17,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:17" (1/1) ... [2024-12-05 21:41:17,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797699c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:17, skipping insertion in model container [2024-12-05 21:41:17,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:17" (1/1) ... [2024-12-05 21:41:17,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:41:18,045 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound2.c[525,538] [2024-12-05 21:41:18,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:18,084 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:41:18,096 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound2.c[525,538] [2024-12-05 21:41:18,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:18,127 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:41:18,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18 WrapperNode [2024-12-05 21:41:18,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:18,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:18,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:41:18,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:41:18,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,162 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-12-05 21:41:18,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:18,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:41:18,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:41:18,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:41:18,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:41:18,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:41:18,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:41:18,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:41:18,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:18,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:41:18,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:41:18,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634e247d-773d-4a57-8f6a-f4159d9d9588/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:41:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:41:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:41:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:41:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:41:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:41:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:41:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:41:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:41:18,300 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:41:18,301 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:41:18,477 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 21:41:18,478 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:41:18,514 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:41:18,514 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 21:41:18,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:18 BoogieIcfgContainer [2024-12-05 21:41:18,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:41:18,515 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:41:18,516 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:41:18,524 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:41:18,524 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:18" (1/1) ... [2024-12-05 21:41:18,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:41:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-12-05 21:41:18,574 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-12-05 21:41:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:41:18,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:18,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:19,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:41:29,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 21:41:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2024-12-05 21:41:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-12-05 21:41:29,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 21:41:29,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:29,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:41:29,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2024-12-05 21:41:29,947 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2024-12-05 21:41:29,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:41:29,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:29,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:30,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:41:30,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:30,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-05 21:41:30,890 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-05 21:41:30,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 21:41:30,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:30,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:41:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:30,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 21:41:30,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:41:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:31,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2024-12-05 21:41:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2024-12-05 21:41:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:41:31,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:31,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:41:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:31,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:41:31,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 21:41:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 73 transitions. [2024-12-05 21:41:32,986 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2024-12-05 21:41:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 21:41:32,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:32,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:33,393 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:41:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 34 states and 63 transitions. [2024-12-05 21:41:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2024-12-05 21:41:34,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 21:41:34,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:34,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:41:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:34,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:41:34,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:41:36,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 21:41:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 37 states and 71 transitions. [2024-12-05 21:41:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-12-05 21:41:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 21:41:36,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:36,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:41:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:36,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:41:36,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:36,477 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 21:41:37,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 39 states and 75 transitions. [2024-12-05 21:41:37,349 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2024-12-05 21:41:37,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 21:41:37,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:37,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:41:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:37,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 21:41:37,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 21:41:41,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:41:41,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 41 states and 80 transitions. [2024-12-05 21:41:41,630 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 80 transitions. [2024-12-05 21:41:41,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 21:41:41,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:41,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:41:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:41,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 21:41:41,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:41,881 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-05 21:41:43,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:41:43,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 43 states and 84 transitions. [2024-12-05 21:41:43,946 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 84 transitions. [2024-12-05 21:41:43,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 21:41:43,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:43,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:41:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:43,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 21:41:43,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-05 21:41:54,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:42:04,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 21:42:04,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:04,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 44 states and 87 transitions. [2024-12-05 21:42:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2024-12-05 21:42:04,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 21:42:04,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:04,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:05,825 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 21:42:17,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 21:42:17,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:17,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 46 states and 91 transitions. [2024-12-05 21:42:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 91 transitions. [2024-12-05 21:42:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-05 21:42:17,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:17,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:42:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:17,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:42:17,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:17,935 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-05 21:42:19,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:19,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 49 states and 101 transitions. [2024-12-05 21:42:19,747 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 101 transitions. [2024-12-05 21:42:19,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-05 21:42:19,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:19,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-05 21:42:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 52 states and 107 transitions. [2024-12-05 21:42:21,292 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2024-12-05 21:42:21,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 21:42:21,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:21,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat